Micro-ablation with high power pulsed copper vapor lasers

Optics Express

Volumn 7, Issue 2, 2000, Pages 50-55

  Knowles, M R H ^a  

^a OXFORD LASERS LTD   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BIREFRINGENCE; COPPER; DIFFRACTION; FUEL INJECTION; GAS LASERS; MICROMACHINING; SAPPHIRE; SOLID STATE LASERS; TITANIUM; ULTRAVIOLET RADIATION;

ATOMIC GAS LASERS; COPPER VAPOR LASERS (CVL); LASER MATERIALS PROCESSING; VISIBLE LASERS;

LASER ABLATION;

EID: 0002562828     PISSN: 10944087     EISSN: None     Source Type: Journal    
DOI: 10.1364/OE.7.000050     Document Type: Article

References (19)

1. X Chen and X. Liu, "Short pulsed laser machining: how short is short enough?," J. Laser Applications 11, 268-272 (1999).
2. M.D. Shirk and P.A. Molian, "A review of ultrashort pulsed laser ablation of materials," J. Laser Applications 10, 18-28 (1998).
3. D. Kapitan, D. W. Coutts and C. E. Webb, "On pulsed laser ablation of metals: comparing the relative importance of thermal diffusion in the nanosecond-femtosecond regime," Conference on Lasers and Electro-Optics - Europe paper CThH76 (1998).
4. M.R.H. Knowles, G. Rutterford, A.I. Bell, A.J. Andrews, G. Foster-Turner and A.J. Kearsley, "Sub-micron and high precision micro-machining using nanosecond," Proceedings of ICALEO 98 85e, 112-120 (1998).
5. H.K. Tönshoff, C. Momma, A. Ostendorf, S. Nolte and G. Kamlage, "Microdrilling of metals with ultrashort laser pulses," J. Laser Applications 12, 23-27 (2000).
6. M. Knowles, R. Benfield, A. Andrews and A. Kearsley, "Development of high power compact copper vapour lasers," Advanced High-Power Lasers and Applications 99 M. Osinski, H.T. Power, K.Toyoda, eds., Proc SPIE 3889, paper 3889-63, (1999).
7. D. K Kapitan, D. W. Coutts and C. E. Webb, "Efficient Generation of near diffraction-limited beam-quality output from medium-scale copper vapour laser oscillators," IEEE J. Qu. Electronics 34, 419-426 (1998).
8. M.R.H. Knowles, A.I. Bell,.G. Rutterford, G. Foster-Turner and A.J. Kearsley, "Advances in copper lasers for micromachining," Proceedings of ICALEO 97 82, (1997).
9. M.R.H. Knowles, R. Foster-Turner, A.I. Bell, A.J. Kearsley, A.P. Hoult, S.W. Lim, and H Bisset, "Drilling of shallow angled holes in aerospace alloys using a copper laser," Proceedings of ICALEO 95 80, 321-330, (1995)..
10. M.R.H. Knowles, A.J. Kearsley., R. Foster-Turner., J.E. Abbott, J.M. Boaler., K.H. Errey, "Visualization of small hole drilling using a copper laser," Proceedings of ICALEO 94 79, 352-361, (1994).
11. J.J. Chang, B.E. Warner, E.P. Dragon and M.W. Martinez, "Precision micromachining with pulsed green lasers," J. Laser Applications 10, 285-291 (1998).
12. R.L Trickett, M.J. Withford and D.J. Brown, "4.7W, 255nm source based on second-harmonic generation of a copper vapour laser in cesium lithium borate," Optics Letters 23, 189-191, 1998.
13. A.C. Glover., D.W. Coutts, D.J. Ramsay and J.A. Piper, "Progress in high-speed UV micro-machining with high repetition rate frequency doubled copper vapour lasers," Proceedings of ICALEO 94 79, 343-351, (1994).
14. A.C. Glover,.M.J. Withford, E.K Illy and J.A. Piper "Ablation threshold and etch rate measurements in high-speed ultra-violent micro-machining of polymers with uv-copper vapour lasers," Proceedings of ICALEO 95 80, 361-370, (1995).
15. C. Körner, R. Mayerhofer, M. Hartmann and H.W. Bergmann, "Physical and material aspects in using visible laser pulses of nanosecond duration for ablation," Appl. Phys. A 63, 123-131, (1996).
16. J.J. Chang and B.E. Warner, "Laser-plasma interaction during visible laser ablation of metals," Appl. Phys. Lett. 69, 473-475, 1996.
17. H.K. Tonshoff, F. von Alvensleben, A. Ostendorf, G. Kamlage, S. Nolte, "Micromachining of metals using ultrashort laser pulses," IJEM Review International Journal of Electrical Machining 4, 1-6, 1999.
18. http:/www.oxfordlasers.demon.co.uk/movies/ddi_drilling_large.mov
19. http:/www.oxfordlasers.demon.co.uk/movies/ddi_drilling_close.mov